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Found 22 resources at the 9-12 grade level for the concept: Scientists strive to test their ideas with evidence from the natural world; a hallmark of science is exposing ideas to testing. (P3, P4, P6, P7, NOS2)

Xenosmilus
In this lesson, students play the roles of paleontologists on a dig. They “unearth” a few fossils at a time and attempt to reconstruct the animal the fossils represent.

Audience: 9-12

Source: UCMP

Resource type: classroom activity

The great fossil find
Students are taken on an imaginary fossil hunt and form hypotheses about the identity of the creature they discover. Students revise their hypotheses as new evidence is found.

Audience: 9-12

Source: ENSI

Resource type: classroom activity

Exploring bouncing balls
Students explore the physical properties of a variety of balls and how they bounce. Students then reflect on the process they used by charting their pathway on the Understanding Science Flowchart.

Audience: 9-12

Source: UCMP

Resource type: lab activity

Mystery tubes
Students are asked to determine what the interior construction of the mystery tube looks like. Working in groups, students pose explanations for what they are observing and test their ideas.

Audience: 9-12

Source: UCMP

Resource type: classroom activity

Poking around
Students are introduced to the process of scientific inquiry as they develop an approach to determine the shape and size of an unseen object.

Audience: 9-12

Source: Stefanski, Mark

Resource type: classroom activity

Mystery boxes: Uncertainty and collaboration
Students manipulate sealed "mystery" boxes to determine the inner structure of the boxes. The nature and sources of uncertainty inherent in the process of problem-solving are experienced, but reduced by collaboration.

Audience: 9-12

Source: ENSI

Resource type: classroom activity

The checks lab
Students construct plausible scenarios to explain a series of canceled bank checks. They revise their original hypotheses with new evidence and learn how human values and biases influence observation and interpretation.

Audience: 9-12

Source: ENSI

Resource type: classroom activity

Newton's 2nd law: Inquiry approach
Students act as colleagues of Isaac Newton. Students focus on how to design a procedure to test Newton's hypothesis and then communicate that idea to others. The emphasis is on the process rather than the actual results.

Audience: 9-12

Source: Tung, Cecilia

Resource type: lab activity

Designing your very own science experiment
Students design and carry out an experiment using pill bugs (isopods). Other organisms could be used in place of the pill bugs. Students reflect on the process used by charting their pathway on the Science Flowchart.

Audience: 9-12

Source: Stefanski, Mark

Resource type: lab activity

The Hobbit: When scientists disagree about the evidence
This classroom activity, adapted from an exercise on PBS's NOVA website, provides an excellent example of an active debate within the scientific community regarding a relatively recent human fossil find, Homo floresiensis.

Audience: 9-12

Source: Visionlearning

Resource type: classroom activity

Rutherford's enlarged: A content embedded NOS activity
Students reason about a model of Ernst Rutherford's famous experiment supporting the idea of the atomic nucleus. They differentiate between observation and inference and see the role of creativity in the process of science.

Audience: 9-12

Source: Abd-El-Khalick, Fouad

Resource type: lab activity

Galaxy classification
This is a modified version of Galactic Inquiry in which students learn about galaxy classification while also experiencing a simple simulation of peer review and community analysis.

Audience: 9-12

Source: Whitfield, Lisé

Resource type: lab activity

The story behind the science
Thirty stories spanning five disciplines help students explore key science concepts through the eyes of the scientists who were involved, while emphasizing the nature and process of science.

Audience: 9-12

Source: Iowa State University

Resource type: article

Introducing the Understanding Science flowchart
Students participate in a quick activity and discuss whether they were doing science. They then read a story about Walter Alvarez, discuss the process of science, and trace his scientific journey using the Science Flowchart.

Audience: 9-12

Source: UCMP

Resource type: classroom activity

How science works
This Science in Action video uses the Understanding Science Flowchart to follow arachnologist Charles Griswold and colleagues as they describe the process involved in an exciting new spider discovery.

Audience: 9-12

Source: California Academy of Sciences

Resource type: video

Investigating a Deep Sea Mystery
In this lab activity, students examine authentic morphological and phylogenetic data of three fish families and then pose and test alternative hypotheses about the fishes' classification.

Audience: 9-12

Source: ETOL

Resource type: lab activity

Clipbirds
In this activity, students simulate bird feeding with "beaks" that differ in size. The proportion of big-, medium-, and small-beaked birds changes in response to available types of food. This is a lesson on evolution, but suggestions on how to incorporate the nature and process of science are included.

Audience: 9-12

Source: UCMP

Resource type: classroom activity

Anolis Lizards
Students "travel" to the Greater Antilles to figure out how the Anolis lizards might have evolved there. Students make observations, ask questions, share data, form hypotheses, generate expectations, get more data, interpret them, and test their ideas.

Audience: 9-12

Source: Collins, Jennifer

Resource type: lab activity

Cells within cells: An extraordinary claim with extraordinary evidence
This Science in Action article on endosymbiosis explores the career of microbiologist, Lynn Margulis and how an unlikely idea overcame strong resistance within the scientific community and finally came to be an accepted part of evolutionary theory.

Audience: 9-12

Source: UCMP

Resource type: article

Investigating a Crime Scene
Two suspicious dogs and a shredded book provide a perfect combination for focusing on the process of science and to do so with a bit of a chuckle. This powerpoint has been developed so that you can ask for student responses throughout.

Audience: 9-12

Source: UCMP

Resource type: powerpoint slides

Amazon fly
This short activity quickly engages the participants in the process of developing testable hypotheses. Students come up with multiple hypotheses to explain a set of observations and figure out how to test these hypotheses.

Audience: 9-12

Source: UCMP

Resource type: classroom activity

How science works
This video uses the Understanding Science flowchart to describe how a team of scientists investigates climate change throughout Earth's history with ocean sediment cores.

Audience: 9-12

Source: OceanLeadership

Resource type: video

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